two mechanics worked on a car. the first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together they charged $3150. What was the rate charged per hour by each mechanic if the sum of the two earned was $185 per hour? ​

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio